In support of our mission to provide access to quality, affordable care for our members, Blue Shield has adopted solutions that partner with our providers to meet our member’s health care needs. The following resources are applicable for drugs covered under the medical benefit, including injectables and office-administered medications.

Drop Ship Medication Program

For California providers participating in Blue Shield commercial PPO plans, including Individual & Family Plans (IFP), we offer a drop ship medication program as an alternative option to the buy-and-bill model of drug procurement.

View medication and drop ship pharmacies list (PDF, 93.6 KB)

ASPN Pharmacies, a participant in Blue Shield’s Medication Drop Ship Program, can help improve provider experience in drug procurement by triaging and coordinating prescription fulfillment, with status updates available through the ASPN web portal at

Read frequently asked questions (PDF, 84 KB)

Site of Service Program

Blue Shield may direct commercial plan members with prescriptions for medication infusion therapy services in an outpatient hospital setting to qualified, home infusion, non-facility-owned infusion centers or physician offices.

View site of service medication list (PDF, 28.5 KB)

Preferred Specialty Drug List

Blue Shield has identified preferred drugs for certain therapeutic conditions, where clinically appropriate. This list includes preferences for biosimilar medication.

View Preferred Specialty Drug List (PDF, 29.8 KB)